Martin, J. (2021). Chironomus calligraphus Goeldi, 1905 and C. hawaiiensis Grimshaw, 1901 are sibling species. CHIRONOMUS Journal of Chironomidae Research, (33), 59-63. https://doi.org/10.5324/cjcr.v0i33.3818 (Original work published December 21, 2020)